Derivative Instruments - Derivatives by Line Item in Statement of Operations (Details) - USD ($)	3 Months Ended
Mar. 31, 2020	Mar. 31, 2019
Futures, Forward, and Swap Contracts
Net gain (loss) from futures and forward currency trading
Total realized and changed in unrealized net gain (loss)	$ (8,160,727)	$ 2,053,502
Futures Contracts
Net gain (loss) from futures and forward currency trading
Realized	(870,104)	1,887,583
Change in unrealized	573,568	360,482
Total realized and changed in unrealized net gain (loss)	(296,536)	2,248,065
Forward Contracts
Net gain (loss) from futures and forward currency trading
Realized	165,438	17,913
Change in unrealized	79,426	18,442
Total realized and changed in unrealized net gain (loss)	244,864	36,355
Swap Contracts
Net gain (loss) from futures and forward currency trading
Change in unrealized	(8,109,055)	(230,918)
Total realized and changed in unrealized net gain (loss)	$ (8,109,055)	$ (230,918)

Aggregate net gain and losses (whether realized or unrealized) on all derivative instruments held for trading purposes whether or not settled physically.

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-Publisher FASB
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The difference between the book value and the sale price of options, swaps, futures, forward contracts, and other derivative instruments. This element refers to the gain (loss) included in earnings.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
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The net change in the difference between the fair value and the carrying value, or in the comparative fair values, of derivative instruments, including options, swaps, futures, and forward contracts, held at each balance sheet date, that was included in earnings for the period.

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